Buffer overflow in Huawei products - CVE-2021-22411

Vulnerability identifier: #VU52995

CSH Severity: Low

CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-22411

CWE-ID: CWE-119

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error. A remote authenticated attacker can trigger memory corruption and cause a denial of service condition on the target system.

Huawei Secospace USG6300
Huawei Secospace USG6500
Huawei Secospace USG6600
USG9500
Huawei NGFW Module

Install updates from vendor's website.

Huawei Secospace USG6300 - update to V500R005C20SPC500
Huawei Secospace USG6500 - update to V500R005C20SPC500
Huawei Secospace USG6600 - update to V500R005C20SPC500
USG9500 - update to V500R005C20SPC500
Huawei NGFW Module - update to V500R005C20SPC500

• https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210506-02-outofbounds-en

• Denial of service in Some Huawei Products